Brush-shaped ZnO heteronanorods synthesized using thermal-assisted pulsed laser deposition

Jaewan Choi, Hyunjin Ji, Octolia Togibasa Tambunan, In Sung Hwang, Hyung Sik Woo, Jong Heun Lee, Bo Wha Lee, Chunli Liu, Seuk Joo Rhee, Chang Uk Jung, Gyu-Tae Kim

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Abstract

Brush-shaped ZnO heteronanostructures were synthesized using a newly designed thermal-assisted pulsed laser deposition (T-PLD) system that combines the advantages of pulsed laser deposition (PLD) and a hot furnace system. Branched ZnO nanostructures were successfully grown onto CVD-grown backbone nanowires by T-PLD. Although ZnO growth at 300 °C resulted in core-shell structures, brush-shaped hierarchical nanostructures were formed at 500-600 °C. Materials properties were studied via photoluminescence (PL), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) characterizations. The enhanced photocurrent of a SnO 2-ZnO heterostructures device by irradiation with 365 nm wavelength ultraviolet (UV) light was also investigated by the current-voltage characteristics.

Original languageEnglish
Pages (from-to)4682-4688
Number of pages7
JournalACS Applied Materials and Interfaces
Volume3
Issue number12
DOIs
Publication statusPublished - 2011 Dec 28

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Keywords

  • brush-shaped heteronanostructures
  • photocurrent
  • thermal-assisted pulsed laser deposition

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Choi, J., Ji, H., Tambunan, O. T., Hwang, I. S., Woo, H. S., Lee, J. H., Lee, B. W., Liu, C., Rhee, S. J., Jung, C. U., & Kim, G-T. (2011). Brush-shaped ZnO heteronanorods synthesized using thermal-assisted pulsed laser deposition. ACS Applied Materials and Interfaces, 3(12), 4682-4688. https://doi.org/10.1021/am201106v